According to me being a fresher is the perk you have if you are familiar with the technology.
Once you get yourself a certification then you can start applying to multiple companies.
Now you being a fresher is a perk as you have no set boundaries and can implement new thing for solving a problem.
Once you are ready, you can view this link to find out the opportunities.
https://www.timesjobs.com/jobskill/amazon-web-services-fresher-jobs